<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>bootstrap3</title>
    <!-- 新 Bootstrap 核心 CSS 文件 -->
    <link href="https://cdn.staticfile.org/twitter-bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet">

    <!-- jQuery文件。务必在bootstrap.min.js 之前引入 -->
    <script src="https://cdn.staticfile.org/jquery/2.1.1/jquery.min.js"></script>

    <!-- 最新的 Bootstrap 核心 JavaScript 文件 -->
    <script src="https://cdn.staticfile.org/twitter-bootstrap/3.3.7/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
	<div class="row clearfix">
		<div class="col-md-4 column">
			<h2>
				Heading
			</h2>
            <p>
                <img src="static\picture\tu3.jpg" alt="tu1" width="400px" height="400px">
			</p>
			<p>
				 <a class="btn" href="#">View details »</a>
			</p>
		</div>
		<div class="col-md-4 column">
			<h2>
				Heading
			</h2>
			<p>
                <img src="static\picture\tu1.jpg" alt="" width="400px" height="400px">
			</p>
			<p>
				 <a class="btn" href="#">View details »</a>
			</p>
		</div>
		<div class="col-md-4 column">
			<h2>
				Heading
			</h2>
			<p>
                <img src="static\picture\tu2.jpg"  width="400px" height="400px">
			</p>
			<p>
				 <a class="btn" href="#">View details »</a>
			</p>
		</div>
	</div>
</div>
</body>
</html>